./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 15:24:17,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 15:24:17,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 15:24:17,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 15:24:17,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 15:24:17,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 15:24:17,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 15:24:17,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 15:24:17,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 15:24:17,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 15:24:17,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 15:24:17,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 15:24:18,002 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 15:24:18,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 15:24:18,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 15:24:18,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 15:24:18,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 15:24:18,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 15:24:18,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 15:24:18,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 15:24:18,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 15:24:18,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 15:24:18,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 15:24:18,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 15:24:18,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 15:24:18,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 15:24:18,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 15:24:18,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 15:24:18,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 15:24:18,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 15:24:18,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 15:24:18,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 15:24:18,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 15:24:18,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 15:24:18,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 15:24:18,009 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 15:24:18,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 15:24:18,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 15:24:18,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 15:24:18,010 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 15:24:18,010 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 15:24:18,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 15:24:18,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 15:24:18,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 15:24:18,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 15:24:18,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 15:24:18,235 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 15:24:18,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-09-23 15:24:19,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 15:24:19,634 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 15:24:19,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-09-23 15:24:19,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ebe6f3481/f65341a55311445d861f1e4565ef58db/FLAGe3e033df2 [2024-09-23 15:24:19,656 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ebe6f3481/f65341a55311445d861f1e4565ef58db [2024-09-23 15:24:19,659 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 15:24:19,660 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 15:24:19,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml [2024-09-23 15:24:19,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 15:24:19,725 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 15:24:19,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 15:24:19,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 15:24:19,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 15:24:19,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 03:24:19" (1/2) ... [2024-09-23 15:24:19,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5c93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:24:19, skipping insertion in model container [2024-09-23 15:24:19,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 03:24:19" (1/2) ... [2024-09-23 15:24:19,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b2179ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:24:19, skipping insertion in model container [2024-09-23 15:24:19,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:24:19" (2/2) ... [2024-09-23 15:24:19,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5c93e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:19, skipping insertion in model container [2024-09-23 15:24:19,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:24:19" (2/2) ... [2024-09-23 15:24:19,759 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 15:24:19,760 INFO L1541 ArrayList]: Location invariant before [L698-L698] ! multithreaded || (g == 17 || g == 42) [2024-09-23 15:24:19,760 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-23 15:24:19,760 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L687-L687] B_locked = 1; [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L707-L707] B_locked = 0; [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L689-L689] B_locked = 0; [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L698-L698] A_locked = 1; [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L697-L697] multithreaded = 1; [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L702-L702] B_locked = 0; [2024-09-23 15:24:19,761 INFO L1541 ArrayList]: ghost_update [L703-L703] B_locked = 1; [2024-09-23 15:24:19,762 INFO L1541 ArrayList]: ghost_update [L708-L708] A_locked = 0; [2024-09-23 15:24:19,762 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 1; [2024-09-23 15:24:19,762 INFO L1541 ArrayList]: ghost_update [L690-L690] A_locked = 0; [2024-09-23 15:24:19,762 INFO L1541 ArrayList]: ghost_update [L699-L699] B_locked = 1; [2024-09-23 15:24:19,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 15:24:20,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 15:24:20,050 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 15:24:20,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 15:24:20,142 INFO L204 MainTranslator]: Completed translation [2024-09-23 15:24:20,143 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20 WrapperNode [2024-09-23 15:24:20,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 15:24:20,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 15:24:20,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 15:24:20,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 15:24:20,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,176 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-09-23 15:24:20,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 15:24:20,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 15:24:20,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 15:24:20,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 15:24:20,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 15:24:20,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 15:24:20,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 15:24:20,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 15:24:20,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (1/1) ... [2024-09-23 15:24:20,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 15:24:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:24:20,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-23 15:24:20,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-23 15:24:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 15:24:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 15:24:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 15:24:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 15:24:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 15:24:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 15:24:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 15:24:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 15:24:20,255 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 15:24:20,347 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 15:24:20,348 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 15:24:20,476 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 15:24:20,476 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 15:24:20,573 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 15:24:20,573 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 15:24:20,573 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 03:24:20 BoogieIcfgContainer [2024-09-23 15:24:20,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 15:24:20,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 15:24:20,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 15:24:20,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 15:24:20,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 03:24:19" (1/4) ... [2024-09-23 15:24:20,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a8023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 03:24:20, skipping insertion in model container [2024-09-23 15:24:20,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:24:19" (2/4) ... [2024-09-23 15:24:20,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a8023 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 03:24:20, skipping insertion in model container [2024-09-23 15:24:20,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:24:20" (3/4) ... [2024-09-23 15:24:20,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a8023 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 03:24:20, skipping insertion in model container [2024-09-23 15:24:20,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 03:24:20" (4/4) ... [2024-09-23 15:24:20,584 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-09-23 15:24:20,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 15:24:20,596 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 15:24:20,596 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 15:24:20,619 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 15:24:20,654 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:24:20,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:24:20,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:24:20,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 15:24:20,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-23 15:24:20,682 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:24:20,697 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 15:24:20,705 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17ad1dc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:24:20,705 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 15:24:20,780 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 15:24:20,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:24:20,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1157852844, now seen corresponding path program 1 times [2024-09-23 15:24:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:24:20,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746686785] [2024-09-23 15:24:20,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:24:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:24:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:24:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:24:21,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:24:21,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746686785] [2024-09-23 15:24:21,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746686785] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:24:21,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:24:21,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:24:21,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058653258] [2024-09-23 15:24:21,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:24:21,059 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:24:21,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:24:21,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:24:21,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:24:21,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:24:21,081 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:24:21,082 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:24:21,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:24:21,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:24:21,118 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 15:24:21,119 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 15:24:21,119 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 15:24:21,125 INFO L408 BasicCegarLoop]: Path program histogram: [1] [2024-09-23 15:24:21,127 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 15:24:21,128 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 15:24:21,129 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 15:24:21,130 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 15:24:21,130 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 03:24:21 BasicIcfg [2024-09-23 15:24:21,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 15:24:21,131 INFO L158 Benchmark]: Toolchain (without parser) took 1406.61ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 128.9MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:24:21,131 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:24:21,132 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 109.3MB in the end (delta: 197.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 15:24:21,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.85ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 136.2MB in the end (delta: -29.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-23 15:24:21,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.82ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 134.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 15:24:21,132 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 178.3MB. Free memory was 134.0MB in the beginning and 132.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:24:21,133 INFO L158 Benchmark]: RCFGBuilder took 377.00ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 103.4MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-23 15:24:21,133 INFO L158 Benchmark]: TraceAbstraction took 551.81ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 128.9MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:24:21,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 109.3MB in the end (delta: 197.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.85ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 136.2MB in the end (delta: -29.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.82ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 134.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 178.3MB. Free memory was 134.0MB in the beginning and 132.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.00ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 103.4MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 551.81ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 128.9MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 147, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 0, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 147, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 15:24:21,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 15:24:21,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE